Home / 721,577.06-1,082,190.63-300,623.30

Finding the Fourth Proportional to 721,577.06, 1,082,190.63 and 300,623.30

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Solution

The fourth proportional to 721,577.06, 1,082,190.63 and 300,623.30 is: 450,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,577.06 : 1,082,190.63 = 300,623.30 : x
  2. Step 2: Convert to fraction form
    721,577.06/1,082,190.63 = 300,623.30/x
  3. Step 3: Cross multiply
    721,577.06x = 1,082,190.63 × 300,623.30
  4. Step 4: Simplify right side
    721,577.06x = 325,331,716,503.27
  5. Step 5: Solve for x
    x = 325,331,716,503.27/721,577.06
  6. Step 6: Final answer
    x = 450,862.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.